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Summary: Inherited Constants | Ctors | Methods | Inherited Methods

# StyleSpan

`public class StyleSpan`
`` `` `extends MetricAffectingSpan` `implements ParcelableSpan`

java.lang.Object
↳ | android.text.style.CharacterStyle
| ↳ | android.text.style.MetricAffectingSpan
|  | ↳ | android.text.style.StyleSpan

Span that allows setting the style of the text it's attached to. Possible styles are: `Typeface#NORMAL`, `Typeface#BOLD`, `Typeface#ITALIC` and `Typeface#BOLD_ITALIC`.

Note that styles are cumulative -- if both bold and italic are set in separate spans, or if the base style is bold and a span calls for italic, you get bold italic. You can't turn off a style from the base style.

For example, the `StyleSpan` can be used like this:

     SpannableString string = new SpannableString("Bold and italic text");
     string.setSpan(new StyleSpan(Typeface.BOLD), 0, 4, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
     string.setSpan(new StyleSpan(Typeface.ITALIC), 9, 15, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

Text styled bold and italic with the `StyleSpan`.

## Summary

### Inherited constants
From interface `android.os.Parcelable`
`int` | `CONTENTS_FILE_DESCRIPTOR` Descriptor bit used with `describeContents()`: indicates that the Parcelable object's flattened representation includes a file descriptor.
`int` | `PARCELABLE_WRITE_RETURN_VALUE` Flag for use with `writeToParcel(Parcel, int)`: the object being written is a return value, that is the result of a function such as "`Parcelable someFunction()`", "`void someFunction(out Parcelable)`", or "`void someFunction(inout Parcelable)`".

### Public constructors
`StyleSpan(int style)` Creates a `StyleSpan` from a style.
`StyleSpan(Parcel src)` Creates a `StyleSpan` from a parcel.

### Public methods
`int` | `describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`int` | `getSpanTypeId()` Return a special type identifier for this span class.
`int` | `getStyle()` Returns the style constant defined in `Typeface`.
`void` | `updateDrawState(TextPaint ds)`
`void` | `updateMeasureState(TextPaint paint)` Classes that extend MetricAffectingSpan implement this method to update the text formatting in a way that can change the width or height of characters.
`void` | `writeToParcel(Parcel dest, int flags)` Flatten this object in to a Parcel.

### Inherited methods
From class `android.text.style.MetricAffectingSpan`
`MetricAffectingSpan` | `getUnderlying()` Returns "this" for most MetricAffectingSpans, but for MetricAffectingSpans that were generated by `CharacterStyle.wrap(CharacterStyle)`, returns the underlying MetricAffectingSpan.
`abstract void` | `updateMeasureState(TextPaint textPaint)` Classes that extend MetricAffectingSpan implement this method to update the text formatting in a way that can change the width or height of characters.
From class `android.text.style.CharacterStyle`
`CharacterStyle` | `getUnderlying()` Returns "this" for most CharacterStyles, but for CharacterStyles that were generated by `wrap(CharacterStyle)`, returns the underlying CharacterStyle.
`abstract void` | `updateDrawState(TextPaint tp)`
`static CharacterStyle` | `wrap(CharacterStyle cs)` A given CharacterStyle can only applied to a single region of a given Spanned.
From class `java.lang.Object`
`Object` | `clone()` Creates and returns a copy of this object.
`boolean` | `equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void` | `finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>` | `getClass()` Returns the runtime class of this `Object`.
`int` | `hashCode()` Returns a hash code value for the object.
`final void` | `notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void` | `notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String` | `toString()` Returns a string representation of the object.
`final void` | `wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.
From interface `android.text.ParcelableSpan`
`abstract int` | `getSpanTypeId()` Return a special type identifier for this span class.
From interface `android.os.Parcelable`
`abstract int` | `describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`abstract void` | `writeToParcel(Parcel dest, int flags)` Flatten this object in to a Parcel.

## Public constructors

### StyleSpan

    public StyleSpan (int style)

Creates a `StyleSpan` from a style.

Parameters
`style` | `int`: An integer constant describing the style for this span. Examples include bold, italic, and normal. Values are constants defined in `Typeface`.

### StyleSpan

    public StyleSpan (Parcel src)

Creates a `StyleSpan` from a parcel.

Parameters
`src` | `Parcel`: the parcel This value cannot be `null`.

## Public methods

### describeContents

    public int describeContents ()

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. For example, if the object will include a file descriptor in the output of `writeToParcel(android.os.Parcel, int)`, the return value of this method must include the `CONTENTS_FILE_DESCRIPTOR` bit.

Returns
`int` | a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either `0` or `CONTENTS_FILE_DESCRIPTOR`

### getSpanTypeId

    public int getSpanTypeId ()

Return a special type identifier for this span class.

Returns
`int` |

### getStyle

    public int getStyle ()

Returns the style constant defined in `Typeface`.

Returns
`int` |

### updateDrawState

    public void updateDrawState (TextPaint ds)

Parameters
`ds` | `TextPaint`

### updateMeasureState

    public void updateMeasureState (TextPaint paint)

Classes that extend MetricAffectingSpan implement this method to update the text formatting in a way that can change the width or height of characters.

Parameters
`paint` | `TextPaint`: the paint used for drawing the text This value cannot be `null`.

### writeToParcel

    public void writeToParcel (Parcel dest,
                    int flags)

Flatten this object in to a Parcel.

Parameters
`dest` | `Parcel`: The Parcel in which the object should be written.
`flags` | `int`: Additional flags about how the object should be written. May be 0 or `Parcelable.PARCELABLE_WRITE_RETURN_VALUE`. Value is either `0` or a combination of `Parcelable.PARCELABLE_WRITE_RETURN_VALUE`, and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES

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